Home / 18,809.48-25,956.72-10,311.60

Finding the Fourth Proportional to 18,809.48, 25,956.72 and 10,311.60

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Solution

The fourth proportional to 18,809.48, 25,956.72 and 10,311.60 is: 14,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.48 : 25,956.72 = 10,311.60 : x
  2. Step 2: Convert to fraction form
    18,809.48/25,956.72 = 10,311.60/x
  3. Step 3: Cross multiply
    18,809.48x = 25,956.72 × 10,311.60
  4. Step 4: Simplify right side
    18,809.48x = 267,655,313.95
  5. Step 5: Solve for x
    x = 267,655,313.95/18,809.48
  6. Step 6: Final answer
    x = 14,229.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.